
Letters of Alexander Von Humboldt
Alexander Von Humboldt
₹4,228

by D. Henry, J. Hale, Dan Henry
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Perturbation of the boundary is a rather neglected topic in the study of PDEs for two main reasons. First, on the surface it appears trivial, merely a change of variables and an application of the chain rule. Second, carrying out such a change of variables frequently results in long and difficult calculations.
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